Katy, TX Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Katy, TX in one place.
Mostly sunny. High near 78, with temperatures falling to around 73 in the afternoon. North wind 5 to 10 mph.
Local Weather Overview
This forecast page for Katy, TX is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 11, 2026 9:17 AM CST.
The active forecast window currently covers Nov 12 to Nov 17, 2026 for Katy, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 12 to Nov 17, 2026
- Latest sync
- Nov 11, 2026 9:17 AM CST
- Forecast office
- HGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Katy
Thursday looks like the warmest upcoming period in Katy at 78 degrees F.
Thursday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Saturday at about 5 to 15 mph E.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 11, 2026 9:17 AM CST
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- HGX
- Radar station
- KHGX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 52. North wind around 0 mph.
Sunny. High near 78, with temperatures falling to around 75 in the afternoon. Southeast wind around 0 mph.
Mostly clear, with a low around 54.
Mostly sunny, with a high near 74.
A chance of rain showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 74. Chance of precipitation is 50%.
Rain showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
A slight chance of rain showers before noon. Partly sunny, with a high near 68. Chance of precipitation is 20%.
Partly cloudy, with a low around 52.
Mostly sunny, with a high near 68.
Partly cloudy, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Nov 12
|
Mostly Sunny
|
78°F |
5 to 10 mph
N
|
|
Thursday Night
Nov 12
|
Clear
|
52°F |
0 mph
|
|
Friday
Nov 13
|
Sunny
|
78°F |
0 mph
|
|
Friday Night
Nov 13
|
Mostly Clear
|
54°F |
0 to 5 mph
SE
|
|
Saturday
Nov 14
|
Mostly Sunny
|
74°F |
5 to 15 mph
E
|
|
Saturday Night
Nov 14
|
Chance Rain Showers
|
57°F |
10 to 15 mph
E
|
|
Sunday
Nov 15
|
Chance Rain Showers
|
74°F |
15 mph
E
|
|
Sunday Night
Nov 15
|
Rain Showers Likely
|
57°F |
10 mph
E
|
|
Monday
Nov 16
|
Slight Chance Rain Showers then Partly Sunny
|
68°F |
10 to 15 mph
NE
|
|
Monday Night
Nov 16
|
Partly Cloudy
|
52°F |
5 to 10 mph
NE
|
|
Tuesday
Nov 17
|
Mostly Sunny
|
68°F |
5 to 10 mph
NE
|
|
Tuesday Night
Nov 17
|
Partly Cloudy
|
53°F |
0 to 5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Katy.
